# US 11,114,770 B2 · Antenna structure and wireless communication device using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,114,770 B2 - Document ID: US11114770B2 - Status: Granted - Kind: B2 - Application number: 16/683,728 - Filed: 2019-11-14 - Published: 2020-06-04 - Granted: 2021-09-07 - Earliest claimed: 2018-11-29 - Assignees: Shenzhen Next Generation Communications Limited - Applicants: Shenzhen Next Generation Communications Limited - Inventors: Kuo-Cheng Chen; Jian-Wei Chang; Zheng Lin; Jia Chen; Ke-Jia Lin; Yun-Han Chen - Web page: https://patentgrep.com/patent/US11114770B2 ## CPC - H01Q 21/24: Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} - H01Q 1/2283: {mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package} - H01Q 1/243: {with built-in antennas} - H01Q 25/001: {Crossed polarisation dual antennas (orthomode horns H01Q13/0258; cross-polarised rear feeds H01Q19/136; orthomode transducers H01P1/161)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna structure suitable for 5G use includes first and second antenna units. Each second antenna unit is positioned between adjacent first antenna units. Each first antenna unit is positioned between adjacent second antenna units. Each first antenna unit and each second antenna unit are restricted to emit a radio beam in a single polarization. The first antenna unit emits radio waves in a first polarization, the second antenna unit emits waves in a second polarization. The first polarization direction and the second polarization direction are perpendicular to each other. ## Claims ### Claim 1 An antenna structure comprising: a plurality of first antenna units; and a plurality of second antenna units, each of the second antenna units is positioned adjacent the first antenna units, each of the first antenna units and each of the second antenna units is restricted to emit a radio beam in a single polarization direction, the first antenna unit emits radio waves in a first polarization direction, the second antenna unit emits radio waves in a second polarization direction; wherein the first polarization direction is perpendicular to the second polarization direction; wherein each of the first antenna unit comprises a first antenna, each of the first antennas comprises a main body, and a first end of the main body portion defines two notches configured for increasing a bandwidth of the first antenna. ### Claim 2 (depends on 1) The antenna structure of claim 1, wherein each of the second antenna units comprises a second antenna, each of the first antennas is positioned between adjacent two of the second antennas. ### Claim 3 (depends on 2) The antenna structure of claim 2, further comprising a grounding portion configured for grounding the first antenna units and the second antenna units. ### Claim 4 (depends on 3) The antenna structure of claim 3, further comprising a dielectric board, wherein the dielectric board comprises N dielectric layers, the grounding portion comprises N+1 grounding layers, wherein N is a positive integer, the dielectric layers and the grounding layers are alternately stacked. ### Claim 5 (depends on 4) The antenna structure of claim 4, wherein the grounding portion comprises at least one via, the at least one via passes through each of the dielectric layers to connect each of the grounding layers. ### Claim 6 (depends on 5) The antenna structure of claim 5, wherein each of the first antennas further comprises a bending portion, the main body is disposed on a first wall of the dielectric board, the bending portion is bent relative to the main body and disposed on an upper surface of the dielectric board. ### Claim 7 (depends on 6) The antenna structure of claim 6, wherein each of the first antenna units further comprising a first feeding line, the first feeding line is connected to an end of the main body, each of the second antenna units further comprising a second feeding line, the second feeding line is connected to an end of the second antenna, the first feeding line is configured for feeding current to the first antenna thereby activating the first antenna to generate electromagnetic waves in the first polarization direction, the second feeding line is configured for feeding current to the second antenna thereby activating the second antenna to generate electromagnetic waves in the second polarization direction. ### Claim 8 (depends on 5) The antenna structure of claim 5, wherein each of the first antenna units, the second antenna units, the grounding layers and the vias is made of conductive materials. ### Claim 9 (depends on 1) The antenna structure of claim 1, wherein a number of the first antenna units and a number of the second antenna units is the same. ### Claim 10 A wireless communication device comprising: an antenna structure comprising: a plurality of first antenna units; and a plurality of second antenna units, each of the second antenna units is positioned adjacent the first antenna units, each of the first antenna units and each of the second antenna units is restricted to emit a radio beam in a single polarization direction, the first antenna unit emits radio waves in a first polarization direction, the second antenna unit emits radio waves in a second polarization direction; wherein the first polarization direction is perpendicular to the second polarization direction; wherein each of the first antenna unit comprises a first antenna, each of the first antennas comprises a main body, and a first end of the main body portion defines two notches configured for increasing a bandwidth of the first antenna. ### Claim 11 (depends on 10) The wireless communication device of claim 10, wherein each of the second antenna units comprises a second antenna, each of the first antennas is positioned between adjacent two of the second antennas. ### Claim 12 (depends on 11) The wireless communication device of claim 11, wherein the antenna structure further comprises a grounding portion configured for grounding the first antenna units and the second antenna units. ### Claim 13 (depends on 12) The wireless communication device of claim 12, wherein the antenna structure further comprises a dielectric board, wherein the dielectric board comprises N dielectric layers, the grounding portion comprises N+1 grounding layers, wherein N is a positive integer, the dielectric layers and the grounding layers are alternately stacked. ### Claim 14 (depends on 13) The wireless communication device of claim 13, wherein the grounding portion comprises at least one via, the at least one via passes through each of the dielectric layers to connect each of the grounding layers. ### Claim 15 (depends on 14) The wireless communication device of claim 14, wherein each of the first antennas further comprises a bending portion, the main body is disposed on a first wall of the dielectric board, the bending portion is bent relative to the main body and disposed on an upper surface of the dielectric board. ### Claim 16 (depends on 15) The wireless communication device of claim 15, wherein each of the first antenna units further comprising a first feeding line, the first feeding line is connected to an end of the main body, each of the second antenna units further comprising a second feeding line, the second feeding line is connected to an end of the second antenna, the first feeding line is configured for feeding current to the first antenna thereby activating the first antenna to generate electromagnetic waves in the first polarization direction, the second feeding line is configured for feeding current to the second antenna thereby activating the second antenna to generate electromagnetic waves in the second polarization direction. ### Claim 17 (depends on 14) The wireless communication device of claim 14, wherein each of the first antenna units, the second antenna units, the grounding layers and the vias is made of conductive materials. ### Claim 18 (depends on 10) The wireless communication device of claim 10, wherein a number of the first antenna units and a number of the second antenna units is the same.